Finding the Fourth Proportional to 165,873.40, 248,615.70 and 124,271.80
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Solution
The fourth proportional to 165,873.40, 248,615.70 and 124,271.80 is: 186,262.06
Step by Step Solution
- Step 1: Write the proportion equation
165,873.40 : 248,615.70 = 124,271.80 : x - Step 2: Convert to fraction form
165,873.40/248,615.70 = 124,271.80/x - Step 3: Cross multiply
165,873.40x = 248,615.70 × 124,271.80 - Step 4: Simplify right side
165,873.40x = 30,895,920,547.26 - Step 5: Solve for x
x = 30,895,920,547.26/165,873.40 - Step 6: Final answer
x = 186,262.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.